[HTML][HTML] Laser sensors for energy systems and process industries: Perspectives and directions

A Farooq, ABS Alquaity, M Raza, EF Nasir… - Progress in Energy and …, 2022 - Elsevier
Sensors are perhaps the most important and integral components of our modern society.
With global warming and environmental pollution garnering ever-increasing attention, as …

Progress on cutting-edge infrared-terahertz biophysics

P Wang, J Lou, G Fang, C Chang - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Infrared-terahertz (IRT) resonant absorption complies with unique biomolecule fingerprints,
including neurotransmitters, proteins, ribonucleic acid, and deoxyribonucleic acid, rendering …

Three-dimensional inhomogeneous temperature tomography of confined-space flame coupled with wall radiation effect by instantaneous light field

Z Niu, H Qi, B Gao, L Wei, Y Ren, M He… - International Journal of …, 2023 - Elsevier
Optical tomography has been demonstrated to be a powerful tool for the three-dimensional
(3D) measurement of the dynamic characteristics of turbulent flame. Many practical …

Volumetric laser absorption imaging of temperature, CO and CO2 in laminar flames using 3D masked Tikhonov regularization

C Wei, KK Schwarm, DI Pineda, RM Spearrin - Combustion and Flame, 2021 - Elsevier
Mid-infrared laser absorption imaging of flame temperature and species concentration is
expanded to three dimensions with linear tomographic methods using Tikhonov …

Deep neural network inversion for 3D laser absorption imaging of methane in reacting flows

C Wei, KK Schwarm, DI Pineda, RM Spearrin - Optics letters, 2020 - opg.optica.org
Mid-infrared laser absorption imaging of methane in flames is performed with a learning-
based approach to the limited view-angle inversion problem. A deep neural network is …

An FPGA-based on-chip neural network for TDLAS tomography in dynamic flames

A Huang, Z Cao, C Wang, J Wen… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A back propagation (BP) neural network is introduced and implemented on a field
programmable gate array (FPGA) chip into tunable diode laser absorption spectroscopy …

Transfer-learning-based multi-wavelength laser sensor for high fidelity and real-time monitoring of ambient temperature and humidity

L Ma, W Hu, W Wang, Y Wang - Applied Optics, 2023 - opg.optica.org
Multi-wavelength laser absorption spectroscopy has the advantages of superior sensitivity,
accuracy, and robustness for gas sensing applications, offering an opportunity for the …

Multi-isotopologue laser absorption spectroscopy of carbon monoxide for high-temperature chemical kinetic studies of fuel mixtures

DI Pineda, FA Bendana, KK Schwarm… - Combustion and …, 2019 - Elsevier
A laser absorption diagnostic technique, probing the mid-infrared vibrational bands of 12 C
16 O and 13 C 16 O near 4.9 µm, was developed for sensitive multi-isotopologue …

2D mid-infrared laser-absorption imaging for tomographic reconstruction of temperature and carbon monoxide in laminar flames

RJ Tancin, RM Spearrin, CS Goldenstein - Optics Express, 2019 - opg.optica.org
This manuscript presents the design and initial application of a mid-infrared laser-absorption-
imaging (LAI) technique for two-dimensional (2D) measurements and tomographic …

U-Net applied to retrieve two-dimensional temperature and CO2 concentration fields of laminar diffusion flames

H Li, T Ren, X Liu, C Zhao - Fuel, 2022 - Elsevier
Direct absorption spectroscopy measurement of the 4. 3 μ m CO 2 using interband cascade
laser with a high spectral resolution, provides theoretical feasibility to retrieve the spatial …